AVANTES
GRE FIRST 31.7 MODSail number GRE/GRE317
GPH
668.6
OSN
647.9
LOA
9.49 m
Displacement
3748 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6779
Medium
0.9291
High
1.0697
Triple Offshore
Low
0.874
Medium
1.1442
High
1.2838
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3748 kg
- Crew weight
- 495 kg
- Wetted surface
- 22.12 m²
Sails
- Mainsail
- 27.91 m²
- Genoa
- 23.25 m²
- Spinnaker
- 65.96 m²
- Asymmetric spinnaker
- 61.56 m²
Design
- Type
- FIRST 31.7 MOD
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.76 | 5.02 | 5.22 | 5.3 | 5.32 | 5.13 | 4.65 | 3.93 |
| 8 | 5.68 | 5.95 | 6.16 | 6.38 | 6.41 | 6.24 | 5.72 | 4.98 |
| 10 | 6.35 | 6.56 | 6.7 | 6.92 | 6.97 | 6.88 | 6.56 | 5.88 |
| 12 | 6.67 | 6.84 | 7 | 7.21 | 7.35 | 7.28 | 7.02 | 6.61 |
| 14 | 6.79 | 6.99 | 7.21 | 7.35 | 7.75 | 7.71 | 7.4 | 7.02 |
| 16 | 6.83 | 7.04 | 7.37 | 7.56 | 8.11 | 8.15 | 7.83 | 7.37 |
| 20 | 6.88 | 7.06 | 7.49 | 7.99 | 8.53 | 9.01 | 8.84 | 8.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.14 | 146° | 3.4 |
| 8 | 40.9° | 3.81 | 150.2° | 4.31 |
| 10 | 40.6° | 4.33 | 151.7° | 5.1 |
| 12 | 39.5° | 4.66 | 157.9° | 5.81 |
| 14 | 39° | 4.77 | 180° | 6.44 |
| 16 | 39° | 4.8 | 180° | 6.89 |
| 20 | 39° | 4.85 | 180° | 7.59 |
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